[UFO Chicago] does Ubuntu cache/index the contents of mounted drives ?

[Calvin Pryor]

I have a 1T Seagate Barracuda hard drive that is clicking pretty bad and
I'm considering sending it to Seagate for data recovery.

If they can restore at least 75% of the drive, the price is $400 something
dollars.

The drive is not detected by any BIOS, so getting any info off the drive
directly isn't an option.

So I'm trying to figure out another way to get the size of the data on
disk, to verify what 75% would be.

At some point, this 1T Seagate drive was mounted (ext4 pretty sure) to two
different Ubuntu installations (I think both are 14.04) and I have the hard
drive for each installation.

I'm wondering if a listing of the files on this 1T drive might be cached
somewhere on the hard drives for the two different Ubuntu installs it was
mounted to ?

Perhaps whenever Ubuntu mounts a new file system, it indexes the contents
of the file system and puts that info in a file here: <path to a file
somewhere in the OS>.

Or maybe mountd logs the stats of newly mounted file systems ?

Anything like this that would be persistent enough for me to recover from
the two Ubuntu installations ?


Regards,

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Calvin Pryor
calvinpryor at gmail.com
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